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FILMTEC CORP

Overview
  • Total Patents
    59
About

FILMTEC CORP has a total of 59 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, EPO (European Patent Office) and Brazil. Its main competitors in its focus markets chemical engineering, machines and macromolecular chemistry and polymers are VESPER CORP, OLSON IRRIGATION SYSTEMS and BETH GMBH.

Patent filings per year

Chart showing FILMTEC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cadotte John E 30
#2 Johnson Jon E 12
#3 Walker David R 8
#4 Petersen Robert J 6
#5 Hallan Matthew Jon 5
#6 Johnson Lance Dallas 5
#7 Jiyon Ii Kadotsute 5
#8 Marsh Allyn R 3
#9 Davis Roy A 3
#10 Jons Steven D 3

Latest patents

Publication Filing date Title
US6881336B2 Spiral wound element with improved feed space
US7156997B2 Package assembly for piperazine-based membranes
WO9322038A1 Spiral wound membrane element
EP0432358A1 Treated composite polyamide membranes to separate concentrated solute
US4960518A Treatment of composite polyamide membranes with compatible oxidants
US4960517A Treatment of composite polyamide membranes via substitution with amine reactive reagents
US4964998A Use of treated composite polyamide membranes to separate concentrated solute
US4895661A Alkali resistant hyperfiltration membrane
BR8807768A PRODUCTION and USE OF POLYAMIDE MEMBRANES
KR960012562B1 Process of making and using polyamide membranes useful for water softening
JPH0268102A Production of polyamide membrane effective for softening water and its use
US4812270A Novel water softening membranes
US4859384A Novel polyamide reverse osmosis membranes
CA1318091C Reverse osmosis membranes
US4834886A Process for making alkali resistant hyperfiltration membrane and resulting product
US4277344A Interfacially synthesized reverse osmosis membrane